FC_SercosReadServiceDataByTopAddr - General Information
|
Type: |
Function |
|
Available as of: |
SystemInterface_1.35.2.0 |
FC_SercosReadServiceDataByTopAddr reads out data via the Sercos service channel from the addressed device.
|
Input |
Data type |
Description |
|---|---|---|
|
i_wTopoAddr |
WORD |
Topological address of the Sercos device |
|
i_dwIDN |
DWORD |
Data Service IDN |
|
i_wType |
WORD |
Data Service Type o0: read name o1: read attribute o2: read unit o3: read min. value o4: read max. value o5: read user data o6: read user data with variable length o7: execute command |
|
i_dwPointerToData |
DWORD |
Pointer to the data memory, filled with the actual length of the data bytes |
|
i_wMaxDataLen |
WORD |
Actual length of the data bytes to read |
|
Input/Output |
Data type |
Description |
|---|---|---|
|
iq_uiReadDataLen |
UINT |
UINT variable to read out the data length of the Sercos parameter (i_wType=6) |
|
iq_uiMaxReadDataLen |
UINT |
UINT variable to read out the maximum data length of the Sercos parameter (i_wType=6) |
|
Data type |
Description |
|---|---|
|
DINT |
0: OK -1: The topological address is invalid. -431: Error detected during service request (for example, timeout) -445: Service timeout -461: In the current phase, reading out parameters via the service channel is not supported. -462: The addressed axis does not support the ServiceDataRead function. -464: Invalid service transfer |
